>4) D800/D300s level weather sealing! It's hard enough for me >not to get wet at youth swim meets.. asking the camera to stay >dry is even harder. > >6) The grip is wider then the D7000. > >7) There are a few more Mega Pixels. > >8) 51 point autofocus with "an algorithm equivalent to >that of the D4" >
These are my main reasons too. I like the ability to shoot in mist or high humidity, the bigger grip may mean I can forgo the battery grip (less weight), I commonly print at 20x30" so the extra MP could be good, and shooting some action shots, I like the upper level AF system.